1/* 2 * linux/arch/arm/mach-at91/board-ek.c 3 * 4 * Copyright (C) 2005 SAN People 5 * 6 * Epson S1D framebuffer glue code is: 7 * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24#include <linux/types.h> 25#include <linux/init.h> 26#include <linux/mm.h> 27#include <linux/module.h> 28#include <linux/platform_device.h> 29#include <linux/spi/spi.h> 30#include <linux/mtd/physmap.h> 31 32#include <asm/setup.h> 33#include <asm/mach-types.h> 34#include <asm/irq.h> 35 36#include <asm/mach/arch.h> 37#include <asm/mach/map.h> 38#include <asm/mach/irq.h> 39 40#include <mach/hardware.h> 41#include <mach/board.h> 42#include <mach/gpio.h> 43#include <mach/at91rm9200_mc.h> 44 45#include "generic.h" 46 47 48static void __init ek_map_io(void) 49{ 50 /* Initialize processor: 18.432 MHz crystal */ 51 at91rm9200_initialize(18432000, AT91RM9200_BGA); 52 53 /* Setup the LEDs */ 54 at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2); 55 56 /* DBGU on ttyS0. (Rx & Tx only) */ 57 at91_register_uart(0, 0, 0); 58 59 /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ 60 at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS 61 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD 62 | ATMEL_UART_RI); 63 64 /* set serial console to ttyS0 (ie, DBGU) */ 65 at91_set_serial_console(0); 66} 67 68static void __init ek_init_irq(void) 69{ 70 at91rm9200_init_interrupts(NULL); 71} 72 73static struct at91_eth_data __initdata ek_eth_data = { 74 .phy_irq_pin = AT91_PIN_PC4, 75 .is_rmii = 1, 76}; 77 78static struct at91_usbh_data __initdata ek_usbh_data = { 79 .ports = 2, 80}; 81 82static struct at91_udc_data __initdata ek_udc_data = { 83 .vbus_pin = AT91_PIN_PD4, 84 .pullup_pin = AT91_PIN_PD5, 85}; 86 87static struct at91_mmc_data __initdata ek_mmc_data = { 88 .det_pin = AT91_PIN_PB27, 89 .slot_b = 0, 90 .wire4 = 1, 91 .wp_pin = AT91_PIN_PA17, 92}; 93 94static struct spi_board_info ek_spi_devices[] = { 95 { /* DataFlash chip */ 96 .modalias = "mtd_dataflash", 97 .chip_select = 0, 98 .max_speed_hz = 15 * 1000 * 1000, 99 }, 100#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD 101 { /* DataFlash card */ 102 .modalias = "mtd_dataflash", 103 .chip_select = 3, 104 .max_speed_hz = 15 * 1000 * 1000, 105 }, 106#endif 107}; 108 109static struct i2c_board_info __initdata ek_i2c_devices[] = { 110 { 111 I2C_BOARD_INFO("ics1523", 0x26), 112 }, 113 { 114 I2C_BOARD_INFO("dac3550", 0x4d), 115 } 116}; 117 118#define EK_FLASH_BASE AT91_CHIPSELECT_0 119#define EK_FLASH_SIZE SZ_2M 120 121static struct physmap_flash_data ek_flash_data = { 122 .width = 2, 123}; 124 125static struct resource ek_flash_resource = { 126 .start = EK_FLASH_BASE, 127 .end = EK_FLASH_BASE + EK_FLASH_SIZE - 1, 128 .flags = IORESOURCE_MEM, 129}; 130 131static struct platform_device ek_flash = { 132 .name = "physmap-flash", 133 .id = 0, 134 .dev = { 135 .platform_data = &ek_flash_data, 136 }, 137 .resource = &ek_flash_resource, 138 .num_resources = 1, 139}; 140 141static struct gpio_led ek_leds[] = { 142 { /* "user led 1", DS2 */ 143 .name = "green", 144 .gpio = AT91_PIN_PB0, 145 .active_low = 1, 146 .default_trigger = "mmc0", 147 }, 148 { /* "user led 2", DS4 */ 149 .name = "yellow", 150 .gpio = AT91_PIN_PB1, 151 .active_low = 1, 152 .default_trigger = "heartbeat", 153 }, 154 { /* "user led 3", DS6 */ 155 .name = "red", 156 .gpio = AT91_PIN_PB2, 157 .active_low = 1, 158 } 159}; 160 161static void __init ek_board_init(void) 162{ 163 /* Serial */ 164 at91_add_device_serial(); 165 /* Ethernet */ 166 at91_add_device_eth(&ek_eth_data); 167 /* USB Host */ 168 at91_add_device_usbh(&ek_usbh_data); 169 /* USB Device */ 170 at91_add_device_udc(&ek_udc_data); 171 at91_set_multi_drive(ek_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */ 172 /* I2C */ 173 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); 174 /* SPI */ 175 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); 176#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD 177 /* DataFlash card */ 178 at91_set_gpio_output(AT91_PIN_PB22, 0); 179#else 180 /* MMC */ 181 at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ 182 at91_add_device_mmc(0, &ek_mmc_data); 183#endif 184 /* NOR Flash */ 185 platform_device_register(&ek_flash); 186 /* LEDs */ 187 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); 188 /* VGA */ 189// ek_add_device_video(); 190} 191 192MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK") 193 /* Maintainer: SAN People/Atmel */ 194 .phys_io = AT91_BASE_SYS, 195 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, 196 .boot_params = AT91_SDRAM_BASE + 0x100, 197 .timer = &at91rm9200_timer, 198 .map_io = ek_map_io, 199 .init_irq = ek_init_irq, 200 .init_machine = ek_board_init, 201MACHINE_END 202